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Parameterization and Simulation for a Turbocharged Spark Ignition Direct Injection Engine with Variable Valve Timing
Technical Paper
2009-01-0680
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In recent years, advanced automotive technologies have been developed to increase engine output power and improve fuel economy. In order to design dedicated control algorithms for these cutting-edge techniques, a control-oriented model is developed in this paper to capture the behavior of a turbocharged Spark Ignition Direct Injection (SIDI) engine with Variable Valve Timing (VVT). In the proposed model, mean value models are employed to simulate the cycle-average dynamics of the airflow system, while a discrete-event model is used to capture the reciprocating engine combustion cycle. This model, established in Simulink, has been parameterized using experimental data that are collected from a four-cylinder SIDI engine over a wide range of operation conditions. The dynamic performance of this model was validated with data collected during engine transients. In order to explore its modeling capability for flex-fuel applications, the performance of the model with gasoline-ethanol fuel E85 was also investigate.
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Citation
Jiang, L., Vanier, J., Yilmaz, H., and Stefanopoulou, A., "Parameterization and Simulation for a Turbocharged Spark Ignition Direct Injection Engine with Variable Valve Timing," SAE Technical Paper 2009-01-0680, 2009, https://doi.org/10.4271/2009-01-0680.Also In
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